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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 266 (Transfer Case - BW 4485-Nr3) >> Repair Instructions - On Vehicle >> Transfer Case Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Cadillac Escalade EXT, 2008 Cadillac Escalade ESV, and 2008 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Transfer Case & Transmission
    GM828574Courtesy of GENERAL MOTORS CORP.
  1. Install the transfer case onto a suitable transmission jack.
    2. IMPORTANT: When installing a new transfer case gasket, the gasket must be installed with the tab oriented up, and the yellow printing towards to front of the vehicle. Install the gasket without the use of any type of sealant or of lubricant.
  2. Install a NEW transfer case gasket.
  3. Rotate the transfer case so that it is parallel to the torsion bar mounting bracket.
  4. Raise the transfer case into position.
  5. Rotate the transfer case so that it is aligned with the adapter.
  6. Install the transfer case to the adapter.
  7. Install the fuel pipe bracket onto the studs.
    8. NOTE: Refer to Fastener Notice .
    IMPORTANT: Ensure that the gasket is flush to the transmission prior to installing the nuts.
  8. Install the transfer case adapter nuts.

    Tighten:  Tighten the nuts to 50 N.m (37 lb ft).

  9. Install the transmission mount.
    10. Fig 2: Identifying Crossmember & Bolts
    GM652595Courtesy of GENERAL MOTORS CORP.
  10. Position the crossmember.
  11. Install the crossmember bolts.

    Tighten:  Tighten the bolts to 70 N.m (52 lb ft).

    12. Fig 3: Identifying Transmission Mount Nuts
    GM647997Courtesy of GENERAL MOTORS CORP.
  12. Install the transmission mount nuts and bolts.

    Tighten:  Tighten the nuts and bolts to 40 N.m (30 lb ft).

  13. Remove the jack stand from the transmission.
  14. Install the front propeller shaft. Refer to Front Propeller Shaft Replacement .
  15. Install the rear propeller shaft. Refer to Rear Propeller Shaft Replacement .
  16. Fill the transfer case with fluid.
  17. Install the transfer case shield, if equipped. Refer to Transfer Case Shield Replacement .
  18. Lower the vehicle.
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